Model : Sagem My-S7
1 - Switch ON your phone without SIM Card,
2 - Compose : *#*#CODE# and press "Call" button.
Model : All Sagem
1 - Switch ON your phone with a not Allowed SIM Card,
2 - Phone will show "SIM VERROU"
3 - You can now enter the Unlock Code we send to you.
WARNING : if your mobile show "CODE POSTE" it's because you have a Security Code, can be 0000 or 1234 but we can't calculate this code with your IMEI because it's not code from Phone but code from the User of the Phone !